code: def replace_arguments(config, world_size):
      return {
          # 1. reduce hidden size
          "attn.split_size": config.n_embd // world_size,
          # 2. reduce number of heads
          "attn.n_head": config.n_head // world_size,
      }
  
file_path: parallelformers/parallelformers/policies/openai.py
imports: from transformers.models.openai.modeling_openai import Block
  from parallelformers.policies.base import Layer, Policy
  from parallelformers.utils import AllReduceConv1D
label_desc: Use image node_id 1 for calling the OpenAIGPTPolicy obj's underlying member method code with example usage: obj.replace_arguments(config, world_size) and returns: dict